Raccord pour canalisations,申请号FR19600825394-传众专利搜索

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发明名称	Raccord pour canalisations
摘要
申请公布号	FR1254866(A)	申请公布日期	1961.02.24
申请号	FR19600825394	申请日期	1960.04.26
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.	发明人
分类号	E21B17/08	主分类号	E21B17/08
代理机构		代理人
主权项
地址

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